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What are the main differences between a servo press and a hydraulic press?

Author: ComeFrom: Date:2017/8/21 9:28:40 Hits:3540
  Servo press, also called electronic press, is different from hydraulic press:
  1、Drive mode: precision CNC electronic press is composed of servo motor driven high precision ball screw assembly pressure, pressure directly by the servo motor's torque output into; and ordinary hydraulic press is driven by the motor pump, after reversing valve to change the direction of the hydraulic cylinder pressure to perform operation, the pressure through the tubing and the body, there is a certain loss.
  2、Energy saving and environmental protection: precision CNC electronic press adopts servo motor. In the standby mode, the motor is not rotating, and in the process of pressing, the speed is changed, and the power is also changed. The ordinary hydraulic machine, standby process, the motor has been running, you need to consume a certain amount of electricity, in the work is constant speed rotation, power consumption will be higher. Compared with servo motors, ordinary motors tend to have more noise.
  3、Precision control: precision CNC Electronic Press, within a certain range, can be set at any time multi stroke speed, accurate displacement stops, accurate stop in place, accurate arrival, pressure stop. While the ordinary hydraulic press by sealing the pipeline and the valve body and the cylinder's influence, may not have the control of high precision, and many is the use of mechanical limit to achieve, to press close to the electronic control accuracy of equipment will cost far higher than the electronic press and control more complex.
  4、Function: precision electronic press has the following functions:
  1)Online press quality determination: pressing force and displacement curve of the whole process can be displayed on the LCD touch screen; the whole process control on the operation of any stage can automatically determine whether the product is qualified, 100% real-time removal of bad products, so as to achieve on-line quality management;
  2)The pressing force, the pressing depth, the pressing speed and the holding time can all be input on the operation panel. The interface is friendly and the operation is simple;
  3)Self customization, storage, call pressing program 100 sets: Seven press mounting mode to choose from to meet your different process requirements;
  4)By connecting the computer with an external port, the pressing data can be stored in the computer, and the traceability of the processing data of the product can be ensured, so that the production quality control and management can be conveniently carried out;
  5)Because the machine itself has the pressure and displacement control function accurately, so do not need another hard limit on tooling, processing products of different specifications simply call different pressing procedures, so we can easily realize the multifunction and flexible assembly line.
  Hydraulic press:
  1.low security, noise.
  2.high power consumption and heavy pollution.
  3.precision control is not easy.
  4.quality management is not easy.
  5.mould making cost is high.